/*
This software is subject to the license described in the license.txt file
included with this software distribution. You may not use this file except in compliance
with this license.

Copyright (c) Dynastream Innovations Inc. 2012
All rights reserved.
*/

/**@file
 * @defgroup ant_bsc_tx_main ANT BSC TX example
 * @{
 * @ingroup nrf_ant_bsc
 *
 * @brief Example of ANT BSC TX profile.
 */

#include <stdio.h>
#include "app_uart.h"
#include "nrf.h"
#include "nrf_soc.h"
#include "bsp.h"
#include "app_error.h"
#include "nordic_common.h"
#include "ant_stack_config.h"
#include "softdevice_handler.h"
#include "ant_bsc.h"
#include "app_trace.h"
#include "ant_state_indicator.h"
#include "ant_key_manager.h"
#include "app_timer.h"
#include "ant_bsc_simulator.h"

#ifndef MODIFICATION_TYPE // can be provided as preprocesor global symbol
/**
 * @brief Depending of this define value speed and cadence values will be: @n
 *          - periodicaly rise and fall, use value  MODIFICATION_TYPE_AUTO
 *          - changing by button, use value         MODIFICATION_TYPE_BUTTON
 */
    #define MODIFICATION_TYPE (MODIFICATION_TYPE_AUTO)
#endif

#define MODIFICATION_TYPE_BUTTON 0 /* predefined value, MUST REMAIN UNCHANGED */
#define MODIFICATION_TYPE_AUTO   1 /* predefined value, MUST REMAIN UNCHANGED */

#if (MODIFICATION_TYPE != MODIFICATION_TYPE_BUTTON) \
    && (MODIFICATION_TYPE != MODIFICATION_TYPE_AUTO)

    #error Unsupported value of MODIFICATION_TYPE.
#endif

#define APP_TIMER_PRESCALER     0x00    /**< Value of the RTC1 PRESCALER register. */
#define APP_TIMER_OP_QUEUE_SIZE 0x04    /**< Size of timer operation queues. */

#define APP_TICK_EVENT_INTERVAL APP_TIMER_TICKS(2000, APP_TIMER_PRESCALER) /**< 2 second's tick event interval in timer tick units. */

#define BSC_CHANNEL_NUMBER      0x00    /**< Channel number assigned to BSC profile. */

#define BSC_DEVICE_NUMBER       49u     /**< Denotes the used ANT device number. */
#define BSC_TRANSMISSION_TYPE   1u      /**< Denotes the used ANT transmission type. */

#define BSC_MF_ID               2u      /**< Manufacturer ID. */
#define BSC_SERIAL_NUMBER       0xABCDu /**< Serial Number. */
#define BSC_HW_VERSION          5u      /**< HW Version. */
#define BSC_SW_VERSION          0       /**< SW Version. */
#define BSC_MODEL_NUMBER        2u      /**< Model Number. */

#define ANTPLUS_NETWORK_NUMBER  0       /**< Network number. */

/** @snippet [ANT BSC TX Instance] */
void ant_bsc_evt_handler(ant_bsc_profile_t * p_profile, ant_bsc_evt_t event);

BSC_SENS_CHANNEL_CONFIG_DEF(m_ant_bsc,
                            BSC_CHANNEL_NUMBER,
                            BSC_TRANSMISSION_TYPE,
                            SENSOR_TYPE,
                            BSC_DEVICE_NUMBER,
                            ANTPLUS_NETWORK_NUMBER);
BSC_SENS_PROFILE_CONFIG_DEF(m_ant_bsc,
                            true,
                            true,
                            ANT_BSC_PAGE_5,
                            ant_bsc_evt_handler);

static ant_bsc_profile_t m_ant_bsc;
/** @snippet [ANT BSC TX Instance] */

static ant_bsc_simulator_t  m_ant_bsc_simulator;    /**< Simulator used to simulate profile data. */


#if MODIFICATION_TYPE == MODIFICATION_TYPE_BUTTON
/**@brief Function for handling bsp events.
 */
/** @snippet [ANT BSC simulator button] */
void bsp_evt_handler(bsp_event_t evt)
{
    switch (evt)
    {
        case BSP_EVENT_KEY_0:
            ant_bsc_simulator_increment(&m_ant_bsc_simulator);
            break;

        case BSP_EVENT_KEY_1:
            ant_bsc_simulator_decrement(&m_ant_bsc_simulator);
            break;

        default:
            return; // no implementation needed
    }
}


/** @snippet [ANT BSC simulator button] */
#endif // MODIFICATION_TYPE == MODIFICATION_TYPE_BUTTON


/**@brief Function for dispatching a ANT stack event to all modules with a ANT stack event handler.
 *
 * @details This function is called from the ANT Stack event interrupt handler after a ANT stack
 *          event has been received.
 *
 * @param[in] p_ant_evt  ANT stack event.
 */
void ant_evt_dispatch(ant_evt_t * p_ant_evt)
{
    ant_bsc_sens_evt_handler(&m_ant_bsc, p_ant_evt);
    ant_state_indicator_evt_handler(p_ant_evt);
}


/**
 * @brief Function for setup all thinks not directly associated witch ANT stack/protocol.
 * @desc Initialization of: @n
 *         - app_tarce for debug.
 *         - app_timer, presetup for bsp and ant pulse simulation.
 *         - bsp for signaling leds and user buttons (if use button is enabled in example).
 *         - ant pulse simulate for task of filling bsc profile data.
 */
static void utils_setup(void)
{
    uint32_t err_code;

    app_trace_init();

    // Initialize and start a single continuous mode timer, which is used to update the event time
    // on the main data page.
    APP_TIMER_INIT(APP_TIMER_PRESCALER, APP_TIMER_OP_QUEUE_SIZE, NULL);

    #if (MODIFICATION_TYPE == MODIFICATION_TYPE_BUTTON)
    /** @snippet [ANT Pulse simulator button init] */
    err_code = bsp_init(BSP_INIT_LED | BSP_INIT_BUTTONS,
                        APP_TIMER_TICKS(100, APP_TIMER_PRESCALER),
                        bsp_evt_handler);
    APP_ERROR_CHECK(err_code);
    /** @snippet [ANT Pulse simulator button init] */
    #else
    err_code = bsp_init(BSP_INIT_LED, APP_TIMER_TICKS(100, APP_TIMER_PRESCALER), NULL);
    APP_ERROR_CHECK(err_code);
    #endif
}


/**@brief Function for the BSC simulator initialization.
 */
static void simulator_setup(void)
{
    /** @snippet [ANT BSC simulator init] */
    const ant_bsc_simulator_cfg_t simulator_cfg = 
    {
        .p_profile      = &m_ant_bsc,
        .device_type    = SENSOR_TYPE,
    };
    /** @snippet [ANT BSC simulator init] */

#if MODIFICATION_TYPE == MODIFICATION_TYPE_AUTO
    /** @snippet [ANT BSC simulator auto init] */
    ant_bsc_simulator_init(&m_ant_bsc_simulator, &simulator_cfg, true);
    /** @snippet [ANT BSC simulator auto init] */
#else
    /** @snippet [ANT BSC simulator button init] */
    ant_bsc_simulator_init(&m_ant_bsc_simulator, &simulator_cfg, false);
    /** @snippet [ANT BSC simulator button init] */
#endif
}


/**
 * @brief Function for ANT stack initialization.
 *
 * @details Initializes the SoftDevice and the ANT event interrupt.
 */
static void softdevice_setup(void)
{
    uint32_t err_code;

    err_code = softdevice_ant_evt_handler_set(ant_evt_dispatch);
    APP_ERROR_CHECK(err_code);

    err_code = softdevice_handler_init(NRF_CLOCK_LFCLKSRC, NULL, 0, NULL);
    APP_ERROR_CHECK(err_code);

    err_code = ant_stack_static_config(); // set ant resource
    APP_ERROR_CHECK(err_code);

    err_code = ant_plus_key_set(ANTPLUS_NETWORK_NUMBER);
    APP_ERROR_CHECK(err_code);
}


/**@brief Function for handling ANT BSC events.
 */
/** @snippet [ANT BSC simulator call] */
void ant_bsc_evt_handler(ant_bsc_profile_t * p_profile, ant_bsc_evt_t event)
{
    switch (event)
    {
        case ANT_BSC_PAGE_0_UPDATED:
            /* fall through */
        case ANT_BSC_PAGE_1_UPDATED:
            /* fall through */
        case ANT_BSC_PAGE_2_UPDATED:
            /* fall through */
        case ANT_BSC_PAGE_3_UPDATED:
            /* fall through */
        case ANT_BSC_PAGE_4_UPDATED:
            /* fall through */
        case ANT_BSC_PAGE_5_UPDATED:
            /* fall through */
        case ANT_BSC_COMB_PAGE_0_UPDATED:
            ant_bsc_simulator_one_iteration(&m_ant_bsc_simulator);
            break;

        default:
            break;
    }
}


/** @snippet [ANT BSC simulator call] */

/**
 * @brief Function for BSC profile initialization.
 *
 * @details Initializes the BSC profile and open ANT channel.
 */
static void profile_setup(void)
{
/** @snippet [ANT BSC TX Profile Setup] */
    uint32_t err_code;

    err_code = ant_bsc_sens_init(&m_ant_bsc,
                                 BSC_SENS_CHANNEL_CONFIG(m_ant_bsc),
                                 BSC_SENS_PROFILE_CONFIG(m_ant_bsc));
    APP_ERROR_CHECK(err_code);

    m_ant_bsc.BSC_PROFILE_manuf_id     = BSC_MF_ID;
    m_ant_bsc.BSC_PROFILE_serial_num   = BSC_SERIAL_NUMBER;
    m_ant_bsc.BSC_PROFILE_hw_version   = BSC_HW_VERSION;
    m_ant_bsc.BSC_PROFILE_sw_version   = BSC_SW_VERSION;
    m_ant_bsc.BSC_PROFILE_model_num    = BSC_MODEL_NUMBER;

    err_code = ant_bsc_sens_open(&m_ant_bsc);
    APP_ERROR_CHECK(err_code);

    err_code = ant_state_indicator_channel_opened();
    APP_ERROR_CHECK(err_code);
/** @snippet [ANT BSC TX Profile Setup] */
}


/**@brief Function for application main entry, does not return.
 */
int main(void)
{
    uint32_t err_code;

    utils_setup();
    softdevice_setup();
    ant_state_indicator_init(m_ant_bsc.channel_number, BSC_SENS_CHANNEL_TYPE);
    simulator_setup();
    profile_setup();

    for (;; )
    {
        err_code = sd_app_evt_wait();
        APP_ERROR_CHECK(err_code);
    }
}


/**
 *@}
 **/
